one ++ two <~ three -- four
one <> two |> three .. four
one -- two ~> three <> four
one .. two <<< three -- four
one ++ two <<~ three <> four
one ++ two <|> three .. four
one ++ two <~> three -- four
one ++ two >>> three -- four
one ++ two ~>> three -- four
one ++ two ^^^ three -- four
